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Finding the Third Proportional to 108,911.25 and 163,360.13

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Solution

The third proportional to 108,911.25 and 163,360.13 is: 245,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,911.25 : 163,360.13 = 163,360.13 : x
  2. Step 2: Convert to fraction form
    108,911.25/163,360.13 = 163,360.13/x
  3. Step 3: Cross multiply
    108,911.25x = 163,360.13 × 163,360.13
  4. Step 4: Simplify right side
    108,911.25x = 26,686,530,440.02
  5. Step 5: Solve for x
    x = 26,686,530,440.02/108,911.25
  6. Step 6: Final answer
    x = 245,030.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.